Many automotive safety technologies started out as high-end options before becoming industry standards. Recent examples include anti-lock brakes and electronic stability control, and another is on its way to widespread use: automatic emergency braking, or AEB. Twenty automakers have pledged to make AEB a standard feature on almost all new cars by September 2022.
AEB systems use radar, cameras, and lasers to watch for an imminent forward collision with another vehicle. If the system detects one, it warns the driver via some combination of sound, lights, and vibration. If the driver doesn’t react in time, AEB automatically activates the brakes to avoid a crash, or to reduce the severity if a crash is unavoidable. Some AEB systems can also detect pedestrians.
Currently, the term “automatic emergency braking” encompasses two related systems—depending on the vehicle model, AEB may include one or both:
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